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- /*
- Unix SMB/Netbios implementation.
- Version 1.9.
- NBT client - used to lookup netbios names
- Copyright (C) Andrew Tridgell 1994-1998
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- */
-
- #ifdef SYSLOG
- #undef SYSLOG
- #endif
-
- #include "includes.h"
-
- extern int DEBUGLEVEL;
-
- extern pstring scope;
-
- extern pstring myhostname;
- extern struct in_addr ipzero;
-
- int ServerFD= -1;
-
- int RootPort = 0;
-
- /****************************************************************************
- open the socket communication
- **************************************************************************/
- static BOOL open_sockets(void)
- {
- ServerFD = open_socket_in( SOCK_DGRAM,
- (RootPort ? 137 :0),
- 3,
- interpret_addr(lp_socket_address()) );
-
- if (ServerFD == -1)
- return(False);
-
- set_socket_options(ServerFD,"SO_BROADCAST");
-
- DEBUG(3, ("Socket opened.\n"));
- return True;
- }
-
-
- /****************************************************************************
- initialise connect, service and file structs
- ****************************************************************************/
- static BOOL init_structs(void )
- {
- if (!get_myname(myhostname,NULL))
- return(False);
-
- return True;
- }
-
- /****************************************************************************
- usage on the program
- ****************************************************************************/
- static void usage(void)
- {
- printf("Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name\n");
- printf("Version %s\n",VERSION);
- printf("\t-d debuglevel set the debuglevel\n");
- printf("\t-B broadcast address the address to use for broadcasts\n");
- printf("\t-U unicast address the address to use for unicast\n");
- printf("\t-M searches for a master browser\n");
- printf("\t-R set recursion desired in packet\n");
- printf("\t-S lookup node status as well\n");
- printf("\t-r Use root port 137 (Win95 only replies to this)\n");
- printf("\t-A Do a node status on <name> as an IP Address\n");
- printf("\n");
- }
-
-
- /****************************************************************************
- main program
- ****************************************************************************/
- int main(int argc,char *argv[])
- {
- int opt;
- unsigned int lookup_type = 0x0;
- pstring lookup;
- extern int optind;
- extern char *optarg;
- BOOL find_master=False;
- BOOL find_status=False;
- int i;
- static pstring servicesf = CONFIGFILE;
- struct in_addr bcast_addr;
- BOOL use_bcast = True;
- BOOL got_bcast = False;
- BOOL lookup_by_ip = False;
- BOOL recursion_desired = False;
-
- DEBUGLEVEL = 1;
- *lookup = 0;
-
- TimeInit();
-
- setup_logging(argv[0],True);
-
- charset_initialise();
-
- while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhAR")) != EOF)
- switch (opt)
- {
- case 'B':
- iface_set_default(NULL,optarg,NULL);
- bcast_addr = *interpret_addr2(optarg);
- got_bcast = True;
- use_bcast = True;
- break;
- case 'U':
- iface_set_default(NULL,optarg,NULL);
- bcast_addr = *interpret_addr2(optarg);
- got_bcast = True;
- use_bcast = False;
- break;
- case 'i':
- fstrcpy(scope,optarg);
- strupper(scope);
- break;
- case 'M':
- find_master = True;
- break;
- case 'S':
- find_status = True;
- break;
- case 'R':
- recursion_desired = True;
- break;
- case 'd':
- DEBUGLEVEL = atoi(optarg);
- break;
- case 's':
- pstrcpy(servicesf, optarg);
- break;
- case 'r':
- RootPort = -1;
- break;
- case 'h':
- usage();
- exit(0);
- break;
- case 'A':
- lookup_by_ip = True;
- break;
- default:
- usage();
- exit(1);
- }
-
- if (argc < 2) {
- usage();
- exit(1);
- }
-
- init_structs();
-
- if (!lp_load(servicesf,True)) {
- fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
- }
-
- load_interfaces();
- if (!open_sockets()) return(1);
-
- if (!got_bcast)
- bcast_addr = *iface_bcast(ipzero);
-
- DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_addr)));
-
-
- for (i=optind;i<argc;i++)
- {
- int j, count, retries = 2;
- char *p;
- struct in_addr ip;
- struct in_addr *ip_list;
-
- fstrcpy(lookup,argv[i]);
-
- if(lookup_by_ip)
- {
- fstrcpy(lookup,"*");
- ip = *interpret_addr2(argv[i]);
- printf("Looking up status of %s\n",inet_ntoa(ip));
- name_status(ServerFD,lookup,lookup_type,True,ip,NULL,NULL,NULL);
- printf("\n");
- continue;
- }
-
- if (find_master) {
- if (*lookup == '-') {
- fstrcpy(lookup,"\01\02__MSBROWSE__\02");
- lookup_type = 1;
- } else {
- lookup_type = 0x1d;
- }
- }
-
- p = strchr(lookup,'#');
-
- if (p) {
- *p = 0;
- sscanf(p+1,"%x",&lookup_type);
- retries = 1;
- }
-
- if ((ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,recursion_desired,
- bcast_addr,&count,NULL))) {
- for (j=0;j<count;j++)
- printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
-
- /* We can only do find_status if the ip address returned
- was valid - ie. name_query returned true.
- */
- if (find_status) {
- printf("Looking up status of %s\n",inet_ntoa(ip_list[0]));
- name_status(ServerFD,lookup,lookup_type,True,ip_list[0],NULL,NULL,NULL);
- printf("\n");
- }
- } else {
- printf("name_query failed to find name %s\n", lookup);
- }
- }
-
- return(0);
- }
-